2003 Alfa Romeo 166 vs. 2009 Mercedes-Benz GL
To start off, 2009 Mercedes-Benz GL is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz GL (382 HP @ 6000 RPM) has 234 more horse power than 2003 Alfa Romeo 166. (148 HP @ 6300 RPM) In normal driving conditions, 2009 Mercedes-Benz GL should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz GL weights approximately 1410 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz GL will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Mercedes-Benz GL (530 Nm @ 2800 RPM) has 348 more torque (in Nm) than 2003 Alfa Romeo 166. (182 Nm @ 3800 RPM). This means 2009 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2009 Mercedes-Benz GL has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2009 Mercedes-Benz GL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | GL |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 382 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 182 Nm | 530 Nm |
| Torque RPM | 3800 RPM | 2800 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1420 kg | 2830 kg |
| Vehicle Length | 4730 mm | 5100 mm |
| Vehicle Width | 1810 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2600 mm | 3080 mm |
| Fuel Consumption | 7.3 L/100km | 13.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 9.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 69 L | 100 L |
